Which facial machine can be used to enhance blood circulation and nutrient absorption?

The microcurrent machine is designed specifically to deliver low-level electrical currents to the skin, which helps to stimulate the muscles and enhance microcirculation. This stimulation increases blood flow, which in turn promotes oxygen and nutrient delivery to the skin cells. Additionally, the microcurrent treatment encourages the production of collagen and elastin, essential for maintaining the skin's firmness and elasticity. This dual action not only helps in enhancing nutrient absorption but also improves overall skin tone and texture.

The other machines mentioned, while beneficial for various skin treatments, focus on different mechanisms. An ultrasonic machine utilizes sound waves to aid in product penetration and can enhance blood flow, but its primary function is more about product absorption than circulation. A facial steamer primarily focuses on hydrating and softening the skin to prepare it for extractions and other treatments, rather than stimulating circulation directly. High-frequency machines are also utilized for their ability to kill bacteria and reduce inflammation, but their mechanism is more about germicidal effects rather than blood circulation enhancement.